CN109494547B - Speed regulation method of double-core cable surface treatment device suitable for smart grid - Google Patents
Speed regulation method of double-core cable surface treatment device suitable for smart grid Download PDFInfo
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- CN109494547B CN109494547B CN201811387938.8A CN201811387938A CN109494547B CN 109494547 B CN109494547 B CN 109494547B CN 201811387938 A CN201811387938 A CN 201811387938A CN 109494547 B CN109494547 B CN 109494547B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
- H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
- H02G1/1248—Machines
- H02G1/1251—Machines the cutting element not rotating about the wire or cable
- H02G1/126—Machines the cutting element not rotating about the wire or cable making a longitudinal cut
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Abstract
The invention relates to a speed regulating method of a double-core cable surface treatment device suitable for a smart grid, wherein the double-core cable comprises an insulating sheath and two wire cores arranged in the insulating sheath in parallel, and the double-core cable surface treatment device comprises a device shell, a pulling device, a folding device, a cutting device, a wire pressing device and a speed regulating device for regulating the cutting speed of the cutting device; the speed regulation method comprises the following steps: rotating the third nut to drive the third screw to step along the speed-regulating longitudinal hole; the third screw pushes the contact circular ring to step along the rectangular inserted link; the radius change of the contact position of the contact ring and the output disc causes the change of the rotating speed of the contact ring when the rotating speed of the output disc is fixed, and the rotating speeds of the longitudinally arranged core shaft, the rotating shaft of the rotating wheel and the saw teeth of the disc change. The invention provides a cutting device capable of adjusting the rotating speed of disc sawteeth so as to adjust the cutting effect on a double-core cable.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a speed regulating method of a double-core cable surface treatment device suitable for a smart grid.
Background
Sometimes need to use double-core cable in the electric power construction process, sometimes under special use operating mode or test condition, can need to peel off the insulating crust of double-core cable and carry out construction or test, prior art uses the knife to cut the upper and lower surface of the insulating crust of double-core cable usually, if the sinle silk also links together then still need to cut the sinle silk. However, the above operations are complicated, and a device and a method capable of easily performing surface cutting treatment on the two-core cable need to be designed.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a speed regulating method of a double-core cable surface treatment device suitable for a smart grid, which can regulate the rotating speed of disc sawteeth so as to regulate the cutting effect of a double-core cable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a speed regulation method of a double-core cable surface treatment device suitable for a smart grid is provided, the double-core cable comprises an insulating sheath and two wire cores arranged in parallel in the insulating sheath,
the double-core cable surface treatment device comprises a device shell, a pulling device, a folding device, a cutting device, a wire pressing device and a speed regulating device for regulating the cutting speed of the cutting device;
the device housing includes:
a housing body having a rectangular shape;
the upper middle hole is arranged in the middle of the upper end face of the shell body along the front-back direction, a widening slideway is formed by widening under the upper middle hole, and a screw through hole is formed by penetrating through the widening slideway along the front-back direction;
the cable channel is arranged in the middle of the shell body in a penetrating mode along the front-back direction, the cable channel is located below the widening slideway and used for inserting the double-core cable, a pressing channel arranged along the up-down direction is arranged on the right side of the cable channel in a communicating mode, and a lower inserting handle hole is formed in the lower end of the pressing channel;
the lower roller groove is arranged below the middle part of the cable channel, the left end surface of the lower roller groove is provided with a bearing slideway, and the left end surface of the bearing slideway is communicated with a side disc cavity;
the output cavity is arranged on the left side of the side disc cavity, and the front end surface of the output cavity is communicated with an output through hole which penetrates through the shell body;
pull open the device and be used for pulling open two sinle silks, it includes to pull open the device:
the driven device comprises a first nut which is slidably inserted into the widening slideway, a middle longitudinal rod which is arranged at the upper end of the first nut and penetrates through the upper middle hole, a limiting ring which is arranged on the middle longitudinal rod and clamped on the upper end surface of the shell body, and an overhead ring which is arranged at the top end of the middle longitudinal rod;
the first screw is in threaded connection with the first nut, the first screw is rotatably arranged in the screw through hole, and the front end and the rear end of the first screw are respectively provided with a torsion end socket for torsion;
the two driven swing arms are symmetrically distributed left and right, the rear end faces of the driven swing arms are hinged behind the upper end face of the shell body, and the front end face of each driven swing arm is provided with a wire core lantern ring;
the two driving swing arms are symmetrically distributed in the left and right directions, one end of each driving swing arm is hinged to the part, located between the limiting ring and the overhead ring, of the middle longitudinal rod, and the other end of each driving swing arm is hinged to the middle of the corresponding driven swing arm;
the furling device is used for furling two wire cores and comprises:
the side sliding barrel is arranged below the right side of the front end face of the shell body along the front-back direction, the side sliding barrel is a hollow barrel with a rectangular cross section, the left end face of the side sliding barrel is provided with an opening, and the front end and the rear end of an inner cavity of the side sliding barrel are respectively provided with a lug with a hole;
the second screw rod is rotatably inserted between the pair of the lugs with the holes, a limiting disc is formed at the rear end of the second screw rod, and the limiting disc is clamped behind the lugs with the holes at the rear end;
the second nut is screwed on the second screw rod and is positioned between the pair of lugs with holes, the periphery of the second nut is formed into a rectangular shape matched with the inner wall of the side sliding barrel, a gathering lantern ring is upwards arranged on the left end face of the second nut, and the gathering lantern ring is aligned with the cable channel;
the cutting device is used for cutting the dual-core cable, and comprises:
the transverse shaft output device comprises a bearing arranged in the bearing slideway, a transverse rotating shaft rotatably arranged in the bearing, a friction roller wheel arranged on the right end surface of the transverse rotating shaft and an output disc arranged on the left end surface of the transverse rotating shaft, wherein the upper part of the friction roller wheel is in transmission contact connection with the double-core cable;
the longitudinal shaft output device comprises a longitudinal mandrel, a rectangular inserted rod, a contact circular ring and a first pressure spring, wherein the longitudinal mandrel is rotatably arranged in the output through hole, the rectangular inserted rod is arranged on the rear end face of the longitudinal mandrel and is inserted into the output cavity, the contact circular ring is sleeved on the rectangular inserted rod and is positioned in the inner side of the excircle of the cross section of the rectangular inserted rod, the first pressure spring is wound on the rectangular inserted rod and is positioned in the front position of the contact circular ring, the right end face of the contact circular ring is in transmission contact connection with the output disc, and the front end face of the longitudinal mandrel is;
the front displacement connector comprises a longitudinal outer cylinder, a transverse outer cylinder and a limiting convex ring, wherein the longitudinal outer cylinder is arranged on the front end surface of the shell body and used for accommodating the rotation of the longitudinal mandrel, the transverse outer cylinder is communicated with the right end surface of the longitudinal outer cylinder, and the limiting convex ring is arranged on the inner wall of the transverse outer cylinder;
the cable cutting rotating wheel comprises a rotating wheel rotating shaft which is rotatably arranged in the transverse outer cylinder, an annular groove which is arranged on the outer wall of the rotating wheel rotating shaft and is used for accommodating the limiting convex ring, and a disc sawtooth which is arranged on the right end surface of the rotating wheel rotating shaft and is positioned right below the double-core cable, wherein a driven bevel gear in transmission connection with the driving bevel gear is formed at the left end of the rotating wheel rotating shaft;
the cord grip is used for tightly crimping two heart yearn cables on the friction running roller, the cord grip includes:
the pressing longitudinal rod is slidably inserted into the pressing channel and clamped on the lower hole of the inserting handle;
the second pressure spring is arranged in the pressing channel and is positioned above the pressing longitudinal rod;
the downward pressing plate is arranged on the left end face of the pressing longitudinal rod and is inserted into the cable channel;
the speed adjusting device comprises:
the speed regulation longitudinal hole is formed by extending backwards from the left side of the rear end surface of the output cavity, and a longitudinal hole plug is formed in front of the right side of the inner wall of the speed regulation longitudinal hole;
the third screw rod is slidably inserted into the speed regulation longitudinal hole, a screw rod longitudinal hole which is in plug-in fit with the longitudinal hole plug is formed in the right side of the third screw rod, and the third screw rod abuts against the left side of the rear end of the contact circular ring;
the nut jack is formed in the middle of the speed regulation longitudinal hole, the left end of the nut jack penetrates through the shell body, and a third nut in threaded connection with the third screw rod is rotatably arranged in the nut jack;
the speed regulation method comprises the following steps:
rotating the third nut to drive the third screw to step along the speed-regulating longitudinal hole;
the third screw pushes the contact circular ring to step along the rectangular inserted link;
the radius change of the contact position of the contact ring and the output disc causes the change of the rotating speed of the contact ring when the rotating speed of the output disc is fixed, and the rotating speeds of the longitudinally arranged core shaft, the rotating shaft of the rotating wheel and the saw teeth of the disc change.
Furthermore, wear-resistant discs are formed on two sides of each disc sawtooth and used for outwards extruding and separating the wire cores and polishing the inner walls of the wire cores.
Furthermore, anti-skidding salient points are densely distributed on the left end face of the output disc.
Furthermore, wire core concave rings which are fully contacted with the circumferential outer surfaces of the two wire cores are respectively formed on the left side and the right side of the circumferential side wall of the friction roller.
Furthermore, anti-skidding salient points are densely distributed on the circumferential side wall of the friction roller.
Further, the bearing is a double-row conical rod bearing or a double-row angular contact bearing.
Furthermore, a circle of ball grooves are respectively formed in the inner walls of the output through hole, the longitudinal outer cylinder and the transverse outer cylinder, and balls are respectively circumferentially distributed in each ball groove.
Furthermore, a circle of lubricating layer is respectively arranged at the left end and the right end of the limiting convex ring.
Further, the lubricating layer is a graphite coating or a polytetrafluoroethylene coating.
The invention has the beneficial effects that:
after the front end of the double-core cable is placed into the surface treatment device, the wire core and the insulating outer skin at the front end of the double-core cable are cut and penetrate through the corresponding wire core lantern ring, and then the wire core is gathered and penetrates through the gathering lantern ring at the front end; the arrangement of the pulling device and the furling device ensures that the two wire cores are outwards propped by the wire core sleeve ring, the two wire cores are in a distribution posture with wide front and narrow back from the wire core sleeve ring to the shell body, and the disc saw teeth effectively cut the insulating sheath and the part of the wire cores which just starts to be forked; furthermore, for a double-core cable with a soft insulating outer skin and two wire cores which are not fixed but simply coated in the insulating outer skin, in the process of pulling the double-core cable, the wire core lantern ring can provide acting force for pulling the two wire cores outwards, so that the cutting operation is more efficient.
According to the surface treatment device for the double-core cable of the smart power grid, the descending press plate downwards extrudes the double-core cable, so that sufficient pressure exists between the double-core cable and the friction roller, and anti-skidding convex points are densely distributed on the circumferential side wall of the friction roller, so that the double-core cable can effectively pull the friction roller to rotate, and further, the disc sawtooth is finally driven to rotate through mechanical transmission, and the double-core cable is effectively cut.
The speed regulating method of the double-core cable surface treatment device applicable to the smart grid can regulate the rotating speed of the disc saw teeth so as to regulate the cutting effect on the double-core cable:
rotating the third nut to drive the third screw to step along the speed-regulating longitudinal hole;
the third screw pushes the contact circular ring to step along the rectangular inserted link;
the radius change of the contact position of the contact ring and the output disc causes the change of the rotating speed of the contact ring when the rotating speed of the output disc is fixed, and the rotating speeds of the longitudinally arranged core shaft, the rotating shaft of the rotating wheel and the saw teeth of the disc change.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of one embodiment of the treatment device.
FIG. 2 is a cross-sectional view of one embodiment of section A-A of FIG. 1.
FIG. 3 is a cross-sectional view of an alternative embodiment of section A-A of FIG. 1.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is a sectional view of the C-C in fig. 3.
Fig. 6 is an enlarged schematic view of a portion D in fig. 5.
In the figure:
1. the device comprises a device shell, 11. a shell body, 12. an upper middle hole, 12a widening slideway, 13. a cable channel, 13a compacting channel, 13b. a lower inserting hole, 14. a lower roller groove, 14a bearing slideway, 14b. a side disc cavity, 15. an output cavity and 15a output through hole;
2. the drawing device comprises a drawing device, 21, a driven device, 21a, a first nut, 21b, a middle longitudinal rod, 21c, a limiting ring, 21d, an overhead ring, 22, a first screw, 23, a driven swing arm, 23a, a wire core lantern ring and 24, a driving swing arm;
3. the folding device comprises a folding device, 31, a side sliding cylinder, 31a, a lug with a hole, 32, a second screw, 32a, a limiting disc, 33, a second nut and 33a gathering lantern ring;
4. the cutting device, 41, a transverse shaft output device, 41a, a bearing, 41b, a transverse rotating shaft, 41c, a friction roller, 41d, an output disc, 42, a longitudinal shaft output device, 42a, a longitudinal mandrel, 42b, a rectangular inserted link, 42c, a contact circular ring, 42d, a first pressure spring, 43, a front displacement joint, 43a, a longitudinal outer cylinder, 43b, a transverse outer cylinder, 43c, a limiting convex ring, 44, a cable cutting rotating wheel, 44a rotating shaft of the rotating wheel, 44b, an annular groove and 44c, disc sawteeth;
5. the pressing device comprises a pressing line device, 51 a pressing longitudinal rod, 52 a second pressing spring and 53a downward pressing plate;
6. the speed regulation device comprises a speed regulation device, 61, a speed regulation longitudinal hole, 61a, a longitudinal hole plug, 62, a third screw, 62a, a screw longitudinal hole, 63, a nut jack and 63a, a third nut;
7. double-core cable, 71 insulating sheath, 72 core.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A speed regulation method of a double-core cable surface treatment device suitable for a smart grid is provided, wherein a double-core cable 7 comprises an insulating sheath 71 and two wire cores 72 arranged in parallel in the insulating sheath 71,
the double-core cable surface treatment device comprises a device shell 1, a pulling device 2, a furling device 3, a cutting device 4, a line pressing device 5 and a speed regulating device 6 for regulating the cutting speed of the cutting device 4;
the device case 1 includes:
a housing body 11 having a rectangular shape;
the upper middle hole 12 is arranged in the middle of the upper end face of the shell body 11 along the front-back direction, a widening slideway 12a is formed under the upper middle hole 12 in a widening mode, and a screw rod through hole 12b is formed in the upper middle hole 12 in a penetrating mode along the front-back direction and penetrates through the widening slideway 12 a;
the cable channel 13 penetrates through the middle of the shell body 11 along the front-back direction, the cable channel 13 is positioned below the widening slideway 12a, the cable channel 13 is used for inserting the double-core cable 7, the right side of the cable channel 13 is communicated with a pressing channel 13a arranged along the up-down direction, and the lower end of the pressing channel 13a is provided with a lower inserting hole 13 b;
the lower roller groove 14 is arranged below the middle part of the cable channel 13, a bearing slideway 14a is arranged on the left end surface of the lower roller groove 14, and a side disc cavity 14b is communicated with the left end surface of the bearing slideway 14 a;
the output chamber 15 is arranged on the left side of the side disc cavity 14b, and an output through hole 15a penetrating through the shell body 11 is arranged on the front end face of the output chamber 15 in a communicating manner;
the pulling device 2 is used for pulling apart two wire cores 72, and the pulling device 2 comprises:
the driven device 21 comprises a first nut 21a which is slidably inserted into the widening slideway 12a, a middle longitudinal rod 21b which is arranged at the upper end of the first nut 21a and passes through the upper middle hole 12, a limit ring 21c which is arranged on the middle longitudinal rod 21b and is clamped on the upper end surface of the shell body 11, and an upper ring 21d which is arranged at the top end of the middle longitudinal rod 21 b;
the first screw 22 is in threaded connection with the first nut 21a, the first screw 22 is rotatably arranged in the screw through hole 12b, and the front end and the rear end of the first screw 22 are respectively provided with a torsion end head for torsion;
two driven swing arms 23 are arranged, the driven swing arms 23 are symmetrically distributed in the left-right direction, the rear end faces of the driven swing arms 23 are hinged behind the upper end face of the shell body 11, and a wire core lantern ring 23a is arranged on the front end face of the driven swing arms 23;
two driving swing arms 24 are arranged, the two driving swing arms 24 are symmetrically distributed in the left-right direction, one end of each driving swing arm 24 is hinged to the part, located between the limiting ring 21c and the overhead ring 21d, of the middle longitudinal rod 21b, and the other end of each driving swing arm 24 is hinged to the middle of the corresponding driven swing arm 23;
the furling device 3 is used for furling the two wire cores 72, and the furling device 3 comprises:
the side sliding barrel 31 is arranged below the right side of the front end face of the shell body 11 along the front-back direction, the side sliding barrel is a hollow barrel with a rectangular cross section, the left end face of the side sliding barrel is provided with an opening, and the front end and the rear end of an inner cavity of the side sliding barrel 31 are respectively provided with a lug 31a with a hole;
a second screw 32 rotatably inserted between the pair of the perforated lugs 31a, a limiting disc 32a is formed at the rear end of the second screw 32, and the limiting disc 32a is clamped behind the perforated lugs 31a at the rear end;
the second nut 33 is screwed on the second screw rod 32, the second nut 33 is positioned between the pair of lugs 31a with holes, the periphery of the second nut 33 is formed into a rectangular shape matched with the inner wall of the side sliding barrel 31, the left end face of the second nut 33 is upwards provided with a gathering lantern ring 33a, and the gathering lantern ring 33a is aligned with the cable channel 13;
the cutting device 4 is used for cutting the double-core cable 7, and the cutting device 4 comprises:
the transverse shaft output device 41 comprises a bearing 41a arranged in the bearing slideway 14a, a transverse rotating shaft 41b rotatably arranged in the bearing 41a, a friction roller 41c arranged on the right end surface of the transverse rotating shaft 41b, and an output disc 41d arranged on the left end surface of the transverse rotating shaft 41b, wherein the upper part of the friction roller 41c is in transmission contact with the double-core wire cable 7;
the longitudinal shaft output device 42 comprises a longitudinal mandrel 42a which is rotatably arranged in the output through hole 15a, a rectangular inserted rod 42b which is arranged on the rear end face of the longitudinal mandrel 42a and is inserted into the output chamber 15, a contact circular ring 42c which is sleeved on the rectangular inserted rod 42b and is square in the excircle of the cross section, and a first pressure spring 42d which is wound on the rectangular inserted rod 42b and is positioned in front of the contact circular ring 42c, the right end face of the contact circular ring 42c is in transmission contact connection with the output disc 41d, and the front end face of the longitudinal mandrel 42a is provided with a drive bevel gear;
the front displacement joint 43 comprises a longitudinal outer cylinder 43a which is arranged on the front end surface of the shell body 11 and is used for accommodating the rotation of the longitudinal mandrel 42a, a transverse outer cylinder 43b which is communicated with the right end surface of the longitudinal outer cylinder 43a, and a limit convex ring 43c which is arranged on the inner wall of the transverse outer cylinder 43 b;
the cable cutting rotating wheel 44 comprises a rotating wheel rotating shaft 44a which is rotatably arranged in the transverse outer cylinder 43b, an annular groove 44b which is arranged on the outer wall of the rotating wheel rotating shaft 44a and accommodates the limiting convex ring 43c, and a disc sawtooth 44c which is arranged on the right end surface of the rotating wheel rotating shaft 44a and is positioned right below the dual-core cable 7, wherein a driven bevel gear in transmission connection with the driving bevel gear is formed at the left end of the rotating wheel rotating shaft 44 a;
the wire pressing device 5 is used for tightly pressing the dual-core cable 7 on the friction roller 41c, and the wire pressing device 5 comprises:
the pressing longitudinal rod 51 is slidably inserted into the pressing channel 13a and is clamped on the lower inserting hole 13 b;
a second pressure spring 52 arranged in the pressing channel 13a and above the pressing longitudinal rod 51;
the downward pressing plate 53 is arranged on the left end face of the pressing longitudinal rod 51, and the downward pressing plate 53 is inserted into the cable channel 13;
the speed adjusting device 6 includes:
the speed regulation longitudinal hole 61 is formed by extending backwards from the left side of the rear end face of the output chamber 15, and a longitudinal hole plug 61a is formed in the front of the right side of the inner wall of the speed regulation longitudinal hole 61;
the third screw 62 is slidably inserted into the speed regulation longitudinal hole 61, a screw longitudinal hole 62a in inserting fit with the longitudinal hole plug 61a is formed in the right side of the third screw 62, and the third screw 62 abuts against the left side of the rear end of the contact circular ring 42 c;
the nut insertion hole 63 is formed in the middle of the speed regulation longitudinal hole 61, the left end of the nut insertion hole 63 penetrates through the shell body 11, and a third nut 63a which is screwed with the third screw 62 is rotatably arranged in the nut insertion hole 63;
the speed regulation method comprises the following steps:
rotating the third nut 63a to drive the third screw 62 to step along the speed regulation longitudinal hole 61;
the third screw 62 pushes the contact ring 42c to step along the rectangular insertion rod 42 b;
the radius of the contact position of the contact ring 42c and the output disc 41d changes, which results in the change of the rotation speed of the contact ring 42c, the longitudinal spindle 42a, the rotating shaft 44a and the disc saw teeth 44c when the output disc 41d rotates at a certain speed.
Further, wear-resistant discs 44d are formed on both sides of the disc saw teeth 44c to press the wire core 72 apart and polish the inner wall of the wire core 72.
Furthermore, anti-skid bumps are densely distributed on the left end face of the output disc 41d.
Furthermore, the left side and the right side of the circumferential side wall of the friction roller 41c are respectively formed with a wire core concave ring which is fully contacted with the circumferential outer surfaces of the two wire cores 72.
Furthermore, anti-skid bumps are densely distributed on the circumferential side wall of the friction roller 41c.
Further, the bearing 41a is a double-row conical roller bearing or a double-row angular contact bearing.
Further, a circle of ball grooves are respectively formed in the inner walls of the output through hole 15a, the longitudinal outer cylinder 43a and the transverse outer cylinder 43b, and balls are respectively circumferentially distributed in each ball groove.
Furthermore, a circle of lubricating layer is respectively arranged at the left end and the right end of the limiting convex ring 43c.
Further, the lubricating layer is a graphite coating or a polytetrafluoroethylene coating.
The method of the surface treatment device for the double-core cable comprises the following steps:
inserting fingers into the pressing channel 13a through the lower inserting hole 13b and pressing the pressing longitudinal rod 51 upwards to overcome the acting force of the second pressing spring 52, so as to drive the downward pressing plate 53 and the cutter head 53a to move upwards;
the front end of the dual-core cable 7 passes through the cable channel 13 from back to front, and the front end of the dual-core cable 7 penetrates out of the shell body 11;
the pressing longitudinal rod 51 is loosened, the second pressing spring 52 drives the pressing longitudinal rod 51 and the descending pressing plate 53 to descend, and the descending pressing plate 53 presses the double-core cable 7;
step 2, front end processing of the double-core wire cable 7:
cutting the upper end surface and the lower end surface of the insulating sheath 71 of the double-core cable 7 at the front end of the shell body 11 along the center line by using scissors, and then separating the wire core 72 at the front end of the double-core cable 7;
the wire core 72 and the insulating sheath 71 on the left side and the wire core 72 and the insulating sheath on the right side sequentially penetrate through the corresponding wire core lantern rings 23 a;
the two wire cores 72 passing through the wire core sleeve ring 23a and the front end of the insulating sheath 71 are arranged together by passing through the gathering sleeve ring 33 a;
step 3.1, adjusting the pulling device 2:
the first screw 22 is rotated to act on the first nut 21a so as to drive the driven device 21 to move along the widening slideway 12 a;
the driven device 21 pulls the driven swing arm 23 to swing through the driving swing arm 24, and adjusts the distance between the pair of wire core lantern rings 23a, namely, the distance between the two wire cores 72 in the left-right direction;
step 3.2, adjusting the furling device 3:
the second screw 32 is rotated to drive the second nut 33 and the gathering lantern ring 33a to move;
step 4, the double-core wire cable 7 is divided:
holding the part of the two-core cable 7 at the front end of the gathering collar 33a with one hand, and then holding the surface treatment device with the other hand and pulling back;
the double-core cable 7 moves forwards relative to the surface treatment device, and the lower end surface of the double-core cable 7 drives the friction roller 41c, the transverse rotating shaft 41b and the output disc 41d to rotate;
the left end surface of the output disc 41d drives the contact ring 42c, the rectangular inserted rod 42b and the longitudinal spindle 42a to rotate;
the longitudinal mandrel 42a drives the rotating wheel rotating shaft 44a and the disc saw teeth 44c to rotate;
the circular disc serrations 44c cut the insulating sheath 71 along a center line and simultaneously cut the pair of wire cores 72 along the center line.
As a further preferable scheme, a thrust ring is fixedly arranged at the front end of the third screw 62, the thrust ring is used for abutting against the rear of the contact ring 42c and accommodating the rectangular insertion rod 42b to rotate in the thrust ring, the thrust ring applies uniform forward thrust to the contact ring 42c, and the situation that the contact ring 42c is inclined or even clamped due to unbalanced stress caused by simply pushing the left side of the contact ring 42c by the third screw 62 is avoided.
As a further preferable scheme, the lower end face of the lower pressing plate 53 is coated with a lubricating layer; still further, the lubricating layer is a polytetrafluoroethylene layer, and can reduce resistance while applying sufficient downward pressure to the two-core cable 7.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The speed regulation method of the double-core cable surface treatment device suitable for the smart grid is characterized in that the double-core cable (7) comprises an insulating sheath (71) and two wire cores (72) arranged in the insulating sheath (71) in parallel, and the speed regulation method comprises the following steps:
the double-core cable surface treatment device comprises a device shell (1), a pulling device (2), a folding device (3), a cutting device (4), a line pressing device (5) and a speed regulating device (6) for regulating the cutting speed of the cutting device (4);
the device housing (1) comprises:
a housing body (11) having a rectangular shape;
the upper middle hole (12) is arranged in the middle of the upper end face of the shell body (11) along the front-back direction, a widening slideway (12a) is formed under the upper middle hole (12) in a widening mode, and a screw rod through hole (12b) penetrates through the widening slideway (12a) along the front-back direction;
the cable channel (13) is arranged in the middle of the shell body (11) in a penetrating mode along the front-back direction, the cable channel (13) is located below the widening slideway (12a), the cable channel (13) is used for inserting the double-core cable (7), the right side of the cable channel (13) is provided with a pressing channel (13a) in a communicating mode along the up-down direction, and the lower end of the pressing channel (13a) is provided with a lower inserting handle hole (13 b);
the lower roller groove (14) is arranged below the middle part of the cable channel (13), the left end face of the lower roller groove (14) is provided with a bearing slideway (14a), and the left end face of the bearing slideway (14a) is communicated with a side disc cavity (14 b);
the output chamber (15) is arranged on the left side of the side disc cavity (14b), and an output through hole (15a) penetrating through the shell body (11) is arranged on the front end face of the output chamber (15) in a communicating mode;
pull open device (2) and be used for pulling open two sinle silks (72), pull open device (2) and include:
the driven device (21) comprises a first nut (21a) which is slidably inserted into the widening slideway (12a), a middle longitudinal rod (21b) which is arranged at the upper end of the first nut (21a) and penetrates through the upper middle hole (12), a limiting ring (21c) which is arranged on the middle longitudinal rod (21b) and clamped on the upper end surface of the shell body (11), and an overhead ring (21d) which is arranged at the top end of the middle longitudinal rod (21 b);
the first screw rod (22) is in threaded connection with the first nut (21a), the first screw rod (22) is rotatably arranged in the screw rod through hole (12b), and the front end and the rear end of the first screw rod (22) are respectively provided with a torsion end head for torsion;
the two driven swing arms (23) are arranged, the driven swing arms (23) are symmetrically distributed in the left-right direction, the rear end faces of the driven swing arms (23) are hinged behind the upper end face of the shell body (11), and the front end face of each driven swing arm (23) is provided with a wire core lantern ring (23 a);
the two driving swing arms (24) are arranged, the two driving swing arms (24) are symmetrically distributed in the left-right direction, one end of each driving swing arm (24) is hinged to the part, located between the limiting circular ring (21c) and the overhead circular ring (21d), of the middle longitudinal rod (21b), and the other end of each driving swing arm (24) is hinged to the middle of the corresponding driven swing arm (23);
draw in device (3) and be used for drawing in two sinle silks (72), draw in device (3) and include:
the side sliding barrel (31) is arranged below the right side of the front end face of the shell body (11) along the front-back direction, the side sliding barrel is a hollow barrel with a rectangular cross section, the left end face of the side sliding barrel is provided with an opening, and the front end and the rear end of an inner cavity of the side sliding barrel (31) are respectively provided with a lug (31a) with a hole;
the second screw rod (32) is rotatably inserted between the pair of perforated lugs (31a), a limiting disc (32a) is formed at the rear end of the second screw rod (32), and the limiting disc (32a) is clamped behind the perforated lugs (31a) at the rear end;
the second nut (33) is screwed on the second screw rod (32), the second nut (33) is positioned between the pair of lugs (31a) with holes, the periphery of the second nut (33) is formed into a rectangular shape matched with the inner wall of the side sliding barrel (31), the left end face of the second nut (33) is upwards provided with a gathering lantern ring (33a), and the gathering lantern ring (33a) is aligned with the cable channel (13);
the cutting device (4) is used for cutting a double-core cable (7), and the cutting device (4) comprises:
the transverse shaft output device (41) comprises a bearing (41a) arranged in the bearing slideway (14a), a transverse rotating shaft (41b) rotatably arranged in the bearing (41a), a friction roller (41c) arranged on the right end surface of the transverse rotating shaft (41b), and an output disc (41d) arranged on the left end surface of the transverse rotating shaft (41b), wherein the upper part of the friction roller (41c) is in transmission contact connection with the double-core cable (7);
the longitudinal shaft output device (42) comprises a longitudinal mandrel (42a) which is rotatably arranged in the output through hole (15a), a rectangular inserted rod (42b) which is arranged on the rear end face of the longitudinal mandrel (42a) and is inserted into the output chamber (15), a contact circular ring (42c) which is sleeved on the rectangular inserted rod (42b) and is arranged on the inner side of the excircle of the cross section, and a first pressure spring (42d) which is wound on the rectangular inserted rod (42b) and is positioned in front of the contact circular ring (42c), the right end face of the contact circular ring (42c) is in transmission contact connection with the output circular disc (41d), and a driving bevel gear is arranged on the front end face of the longitudinal mandrel (42 a);
the front displacement joint (43) comprises a longitudinal outer cylinder (43a) which is arranged on the front end surface of the shell body (11) and used for accommodating the rotation of the longitudinal mandrel (42a), a transverse outer cylinder (43b) which is communicated with the right end surface of the longitudinal outer cylinder (43a), and a limit convex ring (43c) which is arranged on the inner wall of the transverse outer cylinder (43 b);
the cable cutting rotating wheel (44) comprises a rotating wheel rotating shaft (44a) which is rotatably arranged in the transverse outer cylinder (43b), an annular groove (44b) which is arranged on the outer wall of the rotating wheel rotating shaft (44a) and is used for accommodating the limiting convex ring (43c), and a disc sawtooth (44c) which is arranged on the right end surface of the rotating wheel rotating shaft (44a) and is positioned right below the double-core cable (7), wherein a driven bevel gear in transmission connection with the driving bevel gear is formed at the left end of the rotating wheel rotating shaft (44 a);
the wire pressing device (5) is used for tightly pressing the double-core cable (7) on the friction roller (41c), and the wire pressing device (5) comprises:
the pressing longitudinal rod (51) is slidably inserted into the pressing channel (13a) and is clamped on the lower hole (13b) of the inserting hand;
the second pressure spring (52) is arranged in the pressing channel (13a) and is positioned above the pressing longitudinal rod (51);
the downward pressing plate (53) is arranged on the left end face of the pressing longitudinal rod (51), and the downward pressing plate (53) is inserted into the cable channel (13);
the speed regulation device (6) comprises:
the speed regulation longitudinal hole (61) is formed by extending the left side of the rear end face of the output cavity (15) backwards, and a longitudinal hole plug (61a) is formed in front of the right side of the inner wall of the speed regulation longitudinal hole (61);
the third screw (62) is slidably inserted into the speed regulation longitudinal hole (61), a screw longitudinal hole (62a) which is in plug-in fit with the longitudinal hole plug (61a) is formed in the right side of the third screw (62), and the third screw (62) abuts against the left side of the rear end of the contact circular ring (42 c);
the nut insertion hole (63) is formed in the middle of the speed regulation longitudinal hole (61), the left end of the nut insertion hole (63) penetrates through the shell body (11), and a third nut (63a) which is in threaded connection with the third screw (62) is rotatably arranged in the nut insertion hole (63);
the speed regulation method comprises the following steps:
rotating the third nut (63a) to drive the third screw (62) to step along the speed-regulating longitudinal hole (61);
the third screw (62) pushes the contact circular ring (42c) to step along the rectangular inserted link (42 b);
the radius of the contact position of the contact ring (42c) and the output disc (41d) is changed, so that the rotating speed of the contact ring (42c) is changed when the rotating speed of the output disc (41d) is constant, and the rotating speed of the longitudinal mandrel (42a), the rotating shaft (44a) of the rotating wheel and the rotating speed of the disc saw teeth (44c) are changed.
2. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: wear-resisting discs (44d) are further formed on two sides of the disc saw teeth (44c) and used for outwards extruding and separating the wire cores (72) and polishing the inner walls of the wire cores (72).
3. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: anti-skid salient points are densely distributed on the left end face of the output disc (41 d).
4. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: and wire core concave rings which are fully contacted with the circumferential outer surfaces of the two wire cores (72) are respectively formed at the left side and the right side of the circumferential side wall of the friction roller (41 c).
5. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: anti-skid convex points are densely distributed on the circumferential side wall of the friction roller (41 c).
6. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: the bearing (41a) is a double-row conical rod bearing or a double-row angular contact bearing.
7. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: the inner walls of the output through hole (15a), the longitudinal outer cylinder (43a) and the transverse outer cylinder (43b) are respectively provided with a circle of ball grooves, and balls are respectively distributed in each ball groove in the circumferential direction.
8. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 1, comprising the following steps: and the left end and the right end of the limiting convex ring (43c) are respectively provided with a circle of lubricating layer.
9. The speed regulation method of the surface treatment device of the two-core cable applicable to the smart grid according to claim 8, comprising the following steps: the lubricating layer is a graphite layer or a polytetrafluoroethylene layer.
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| CN201811387938.8A CN109494547B (en) | 2018-11-21 | 2018-11-21 | Speed regulation method of double-core cable surface treatment device suitable for smart grid |
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| CN109494547B true CN109494547B (en) | 2020-05-15 |
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| CN110932032B (en) * | 2020-01-06 | 2020-08-14 | 江苏众富智能电气研究院有限公司 | Transmission conductor maintenance treatment equipment |
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| CN109494547A (en) | 2019-03-19 |
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